Night Light of Aci Castello (Sicily) from space (Italy) Src. Average luminocity for 10x10km area is 56.6088% and for 50x50km: 22.29%.
Square area 10x10 km:
 14.29%
 16.4%
 7.79%
 10.71%
 4.38%
 1.14%
 4.38%
 2.11%
 12.82%
 14.77%
 11.2%Square area 50x50 km:
 3.91%
 4.32%
 3.27%
 3.44%
 3.7%
 1.99%
 2.07%
 2.84%
 5.66%
 9.63%
 59.16%Clear (daylight) street map image can be seen on geolist.org.
Map coordinates:
38° 6' 39.5" North, 14° 26' 32" East
37° 33' 20.3" North, 15° 8' 43.3" East
36° 59' 46.1" North, 15° 50' 54.5" East
Some cities around Aci Castello sort by population:
• Acireale
		6.2 km =3.9 mi, 
16°
• Gravina di Catania
		7.3 km =4.5 mi, 
274°
• San Giovanni la Punta
		5.1 km =3.2 mi, 
297°
• Tremestieri Etneo
		6 km =3.7 mi, 
279°
• Aci Sant'Antonio
		5.8 km =3.6 mi, 
340°
• Sant'Agata Li Battiati
		5.8 km =3.6 mi, 
272°
• Canalicchio
		4.6 km =2.9 mi, 
249°
• San Gregorio di Catania
		3.3 km =2.1 mi, 
293°
Sources (retrieved 2019-11-25):
» Earth at Night: Flat Maps 2012, 2016